From mboxrd@z Thu Jan 1 00:00:00 1970 Received: with ECARTIS (v1.0.0; list linux-mips); Tue, 13 Feb 2007 06:04:28 +0000 (GMT) Received: from smtp-out02.alice.it ([85.33.2.6]:28676 "EHLO smtp-out02.alice.it") by ftp.linux-mips.org with ESMTP id S20037808AbXBMGEW (ORCPT ); Tue, 13 Feb 2007 06:04:22 +0000 Received: from FBCMMO03.fbc.local ([192.168.68.197]) by smtp-out02.alice.it with Microsoft SMTPSVC(6.0.3790.1830); Tue, 13 Feb 2007 07:03:54 +0100 Received: from FBCMCL01B06.fbc.local ([192.168.69.87]) by FBCMMO03.fbc.local with Microsoft SMTPSVC(6.0.3790.1830); Tue, 13 Feb 2007 07:03:54 +0100 Received: from [192.168.1.200] ([82.49.75.20]) by FBCMCL01B06.fbc.local with Microsoft SMTPSVC(6.0.3790.1830); Tue, 13 Feb 2007 07:03:54 +0100 Message-ID: <45D154C2.9030809@tin.it> Date: Tue, 13 Feb 2007 07:03:46 +0100 From: Lucio Dona' User-Agent: Mozilla Thunderbird 1.5.0.9 (X11/20070102) MIME-Version: 1.0 To: linux-mips@linux-mips.org Subject: AU1100 Ethernet problems Content-Type: multipart/signed; protocol="application/x-pkcs7-signature"; micalg=sha1; boundary="------------ms020508000201000800020508" X-OriginalArrivalTime: 13 Feb 2007 06:03:54.0623 (UTC) FILETIME=[BDE650F0:01C74F34] Return-Path: X-Envelope-To: <"|/home/ecartis/ecartis -s linux-mips"> (uid 0) X-Orcpt: rfc822;linux-mips@linux-mips.org Original-Recipient: rfc822;linux-mips@linux-mips.org X-archive-position: 14056 X-ecartis-version: Ecartis v1.0.0 Sender: linux-mips-bounce@linux-mips.org Errors-to: linux-mips-bounce@linux-mips.org X-original-sender: memorylost@tin.it Precedence: bulk X-list: linux-mips This is a cryptographically signed message in MIME format. --------------ms020508000201000800020508 Content-Type: text/plain; charset=ISO-8859-15; format=flowed Content-Transfer-Encoding: 7bit Hi all, I am working on an AU1100 project and I found problems in some pre-production boards. When the boards are powered up without Ethernet cable plugged-in, and the Ethernet is initialized, it seems that the system gets a lot of 'rx interrupts' and stays almost all the time inside the Ethernet rx interrupt service routine. This horribly slows down everything and causes the watchdog to come up resetting the board. Tried to make some debugging, but don't understand why there are all those interrupts. If the system is powered up with the Ethernet cable connected to a simple hub (hub only, no other computers connected to the net) the problem does not occur. I have this problem on about 10% boards. The design is based on AMD Syrah reference schematics, the kernel is 2.4.21-pre4. Searching with oscilloscope there is no apparent 'hardware' difference between a 'bad' board and a good one. Any suggestions ? Thanks, regards Lucio Dona' --------------ms020508000201000800020508 Content-Type: application/x-pkcs7-signature; name="smime.p7s" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="smime.p7s" Content-Description: S/MIME Cryptographic Signature MIAGCSqGSIb3DQEHAqCAMIACAQExCzAJBgUrDgMCGgUAMIAGCSqGSIb3DQEHAQAAoIIQEjCC BIowggNyoAMCAQICECf06hH0eobEbp27bqkXBwcwDQYJKoZIhvcNAQEFBQAwbzELMAkGA1UE BhMCU0UxFDASBgNVBAoTC0FkZFRydXN0IEFCMSYwJAYDVQQLEx1BZGRUcnVzdCBFeHRlcm5h bCBUVFAgTmV0d29yazEiMCAGA1UEAxMZQWRkVHJ1c3QgRXh0ZXJuYWwgQ0EgUm9vdDAeFw0w NTA2MDcwODA5MTBaFw0yMDA1MzAxMDQ4MzhaMIGuMQswCQYDVQQGEwJVUzELMAkGA1UECBMC VVQxFzAVBgNVBAcTDlNhbHQgTGFrZSBDaXR5MR4wHAYDVQQKExVUaGUgVVNFUlRSVVNUIE5l dHdvcmsxITAfBgNVBAsTGGh0dHA6Ly93d3cudXNlcnRydXN0LmNvbTE2MDQGA1UEAxMtVVRO LVVTRVJGaXJzdC1DbGllbnQgQXV0aGVudGljYXRpb24gYW5kIEVtYWlsMIIBIjANBgkqhkiG 9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsjmFpPJ9q0E7YkY3rs3BYHW8OWX5ShpHornMSMxqmNVN NRm5pELlzkniii8efNIxB8dOtINknS4p1aJkxIW9hVE1eaROaJB7HHqkkqgX8pgV8pPMyaQy lbsMTzC9mKALi+VuG6JG+ni8om+rWV6lL8/K2m2qL+usobNqqrcuZzWLeeEeaYji5kbNoKXq vgvOdjp6Dpvq/NonWz1zHyLmSGHGTPNpsaguG7bUMSAsvIKKjqQOpdeJQ/wWWq8dcdcRWdq6 hw2v+vPhwvCkxWeM1tZUOt4KpLoDd7NlyP0e03RiqhjKaJMeoYV+9Udly/hNVyh00jT/MLbu 9mIwFIws6wIDAQABo4HhMIHeMB8GA1UdIwQYMBaAFK29mHo0tCb3+sQmVO8DveAky1QaMB0G A1UdDgQWBBSJgmd9xJ0mcABLtFBIfN49rgRufTAOBgNVHQ8BAf8EBAMCAQYwDwYDVR0TAQH/ BAUwAwEB/zB7BgNVHR8EdDByMDigNqA0hjJodHRwOi8vY3JsLmNvbW9kb2NhLmNvbS9BZGRU cnVzdEV4dGVybmFsQ0FSb290LmNybDA2oDSgMoYwaHR0cDovL2NybC5jb21vZG8ubmV0L0Fk ZFRydXN0RXh0ZXJuYWxDQVJvb3QuY3JsMA0GCSqGSIb3DQEBBQUAA4IBAQAZ2IkRbyispgCi 54fBm5AD236hEv0e8+LwAamUVEJrmgnEoG3XkJIEA2Z5Q3H8+G+v23ZF4jcaPd3kWQR4rBz0 g0bzes9bhHIt5UbBuhgRKfPLSXmHPLptBZ2kbWhPrXIUNqi5sf2/z3/wpGqUNVCPz4FtVbHd WTBK322gnGQfSXzvNrv042n0+DmPWq1LhTq3Du3Tzw1EovsEv+QvcI4l+1pUBrPQxLxtjftz Mizpm4QkLdZ/kXpoAlAfDj9N6cz1u2fo3BwuO/xOzf4CjuOoEwqlJkRl6RDyTVKnrtw+ymsy XEFs/vVdoOr/0fqbhlhtPZZH5f4ulQTCAMyOofK7MIIFvjCCBKagAwIBAgIQIItj0veEaiqr F3/W6viitTANBgkqhkiG9w0BAQUFADCBrjELMAkGA1UEBhMCVVMxCzAJBgNVBAgTAlVUMRcw FQYDVQQHEw5TYWx0IExha2UgQ2l0eTEeMBwGA1UEChMVVGhlIFVTRVJUUlVTVCBOZXR3b3Jr MSEwHwYDVQQLExhodHRwOi8vd3d3LnVzZXJ0cnVzdC5jb20xNjA0BgNVBAMTLVVUTi1VU0VS Rmlyc3QtQ2xpZW50IEF1dGhlbnRpY2F0aW9uIGFuZCBFbWFpbDAeFw0wNjA5MjEwMDAwMDBa Fw0wNzA5MjEyMzU5NTlaMIHYMTUwMwYDVQQLEyxDb21vZG8gVHJ1c3QgTmV0d29yayAtIFBF UlNPTkEgTk9UIFZBTElEQVRFRDFGMEQGA1UECxM9VGVybXMgYW5kIENvbmRpdGlvbnMgb2Yg dXNlOiBodHRwOi8vd3d3LmNvbW9kby5uZXQvcmVwb3NpdG9yeTEfMB0GA1UECxMWKGMpMjAw MyBDb21vZG8gTGltaXRlZDEUMBIGA1UEAxMLTHVjaW8gRG9uYScxIDAeBgkqhkiG9w0BCQEW EW1lbW9yeWxvc3RAdGluLml0MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDjcc2kiEuz PE+Uynvp8Hm1pcHM5SxPC6AFy8hNBIYwvLM/HAMikqzOaAm0xpCqWd3OGnCLenxxzcevIsuA ILJWv+bqL4Ydq33hpkN2T40lVWnwFDvPpMpiYx5dJYNSqBvbClBE4q45RYvWojbHm6Sgz6rj sK7Cb9bdJm7ZSTnEzQIDAQABo4ICLjCCAiowHwYDVR0jBBgwFoAUiYJnfcSdJnAAS7RQSHze Pa4Ebn0wHQYDVR0OBBYEFGd07JU5fNv5IPhfGf4kCtqeCUIOMA4GA1UdDwEB/wQEAwIFoDAM BgNVHRMBAf8EAjAAMCAGA1UdJQQZMBcGCCsGAQUFBwMEBgsrBgEEAbIxAQMFAjARBglghkgB hvhCAQEEBAMCBSAwRgYDVR0gBD8wPTA7BgwrBgEEAbIxAQIBAQEwKzApBggrBgEFBQcCARYd aHR0cHM6Ly9zZWN1cmUuY29tb2RvLm5ldC9DUFMwgaUGA1UdHwSBnTCBmjBMoEqgSIZGaHR0 cDovL2NybC5jb21vZG9jYS5jb20vVVROLVVTRVJGaXJzdC1DbGllbnRBdXRoZW50aWNhdGlv bmFuZEVtYWlsLmNybDBKoEigRoZEaHR0cDovL2NybC5jb21vZG8ubmV0L1VUTi1VU0VSRmly c3QtQ2xpZW50QXV0aGVudGljYXRpb25hbmRFbWFpbC5jcmwwgYYGCCsGAQUFBwEBBHoweDA7 BggrBgEFBQcwAoYvaHR0cDovL2NydC5jb21vZG9jYS5jb20vVVROQWRkVHJ1c3RDbGllbnRD QS5jcnQwOQYIKwYBBQUHMAKGLWh0dHA6Ly9jcnQuY29tb2RvLm5ldC9VVE5BZGRUcnVzdENs aWVudENBLmNydDAcBgNVHREEFTATgRFtZW1vcnlsb3N0QHRpbi5pdDANBgkqhkiG9w0BAQUF AAOCAQEAWllXFs20b+3qhf/gPEadCka1eDk1MBZ8JZzyJI+a+Gpcmxfwemzw9C01kSFElBJr eP5NNyaSWmAoSPb19QmEYxe0KfMrEjt/HemNBlLNxwzqKbQFO3U5289IgLq28mEFtQluNbkd Lq0wCNg0OmntkaN0LwAYoHlacSEHj/Tei/siMJvVQgPO8uBRSwvkZoTPfHDE4MuiQcyYQUX8 ARjSYjDeSpcJtLiFWFD6lL8MmlXq/rSvtYILRNSnxPhvF3mD8ancgBPTiK2eYaPX4exiYKgu W98ig74wU/xByfMqd3xD2y7iHztiBO7AaqhVugiEuVxx2Db+rXeXlsH7AxnOvzCCBb4wggSm oAMCAQICECCLY9L3hGoqqxd/1ur4orUwDQYJKoZIhvcNAQEFBQAwga4xCzAJBgNVBAYTAlVT MQswCQYDVQQIEwJVVDEXMBUGA1UEBxMOU2FsdCBMYWtlIENpdHkxHjAcBgNVBAoTFVRoZSBV U0VSVFJVU1QgTmV0d29yazEhMB8GA1UECxMYaHR0cDovL3d3dy51c2VydHJ1c3QuY29tMTYw NAYDVQQDEy1VVE4tVVNFUkZpcnN0LUNsaWVudCBBdXRoZW50aWNhdGlvbiBhbmQgRW1haWww HhcNMDYwOTIxMDAwMDAwWhcNMDcwOTIxMjM1OTU5WjCB2DE1MDMGA1UECxMsQ29tb2RvIFRy dXN0IE5ldHdvcmsgLSBQRVJTT05BIE5PVCBWQUxJREFURUQxRjBEBgNVBAsTPVRlcm1zIGFu ZCBDb25kaXRpb25zIG9mIHVzZTogaHR0cDovL3d3dy5jb21vZG8ubmV0L3JlcG9zaXRvcnkx HzAdBgNVBAsTFihjKTIwMDMgQ29tb2RvIExpbWl0ZWQxFDASBgNVBAMTC0x1Y2lvIERvbmEn MSAwHgYJKoZIhvcNAQkBFhFtZW1vcnlsb3N0QHRpbi5pdDCBnzANBgkqhkiG9w0BAQEFAAOB jQAwgYkCgYEA43HNpIhLszxPlMp76fB5taXBzOUsTwugBcvITQSGMLyzPxwDIpKszmgJtMaQ qlndzhpwi3p8cc3HryLLgCCyVr/m6i+GHat94aZDdk+NJVVp8BQ7z6TKYmMeXSWDUqgb2wpQ ROKuOUWL1qI2x5ukoM+q47Cuwm/W3SZu2Uk5xM0CAwEAAaOCAi4wggIqMB8GA1UdIwQYMBaA FImCZ33EnSZwAEu0UEh83j2uBG59MB0GA1UdDgQWBBRndOyVOXzb+SD4Xxn+JAranglCDjAO BgNVHQ8BAf8EBAMCBaAwDAYDVR0TAQH/BAIwADAgBgNVHSUEGTAXBggrBgEFBQcDBAYLKwYB BAGyMQEDBQIwEQYJYIZIAYb4QgEBBAQDAgUgMEYGA1UdIAQ/MD0wOwYMKwYBBAGyMQECAQEB MCswKQYIKwYBBQUHAgEWHWh0dHBzOi8vc2VjdXJlLmNvbW9kby5uZXQvQ1BTMIGlBgNVHR8E gZ0wgZowTKBKoEiGRmh0dHA6Ly9jcmwuY29tb2RvY2EuY29tL1VUTi1VU0VSRmlyc3QtQ2xp ZW50QXV0aGVudGljYXRpb25hbmRFbWFpbC5jcmwwSqBIoEaGRGh0dHA6Ly9jcmwuY29tb2Rv Lm5ldC9VVE4tVVNFUkZpcnN0LUNsaWVudEF1dGhlbnRpY2F0aW9uYW5kRW1haWwuY3JsMIGG BggrBgEFBQcBAQR6MHgwOwYIKwYBBQUHMAKGL2h0dHA6Ly9jcnQuY29tb2RvY2EuY29tL1VU TkFkZFRydXN0Q2xpZW50Q0EuY3J0MDkGCCsGAQUFBzAChi1odHRwOi8vY3J0LmNvbW9kby5u ZXQvVVROQWRkVHJ1c3RDbGllbnRDQS5jcnQwHAYDVR0RBBUwE4ERbWVtb3J5bG9zdEB0aW4u aXQwDQYJKoZIhvcNAQEFBQADggEBAFpZVxbNtG/t6oX/4DxGnQpGtXg5NTAWfCWc8iSPmvhq XJsX8Hps8PQtNZEhRJQSa3j+TTcmklpgKEj29fUJhGMXtCnzKxI7fx3pjQZSzccM6im0BTt1 OdvPSIC6tvJhBbUJbjW5HS6tMAjYNDpp7ZGjdC8AGKB5WnEhB4/03ov7IjCb1UIDzvLgUUsL 5GaEz3xwxODLokHMmEFF/AEY0mIw3kqXCbS4hVhQ+pS/DJpV6v60r7WCC0TUp8T4bxd5g/Gp 3IAT04itnmGj1+HsYmCoLlvfIoO+MFP8QcnzKnd8Q9su4h87YgTuwGqoVboIhLlccdg2/q13 l5bB+wMZzr8xggPPMIIDywIBATCBwzCBrjELMAkGA1UEBhMCVVMxCzAJBgNVBAgTAlVUMRcw FQYDVQQHEw5TYWx0IExha2UgQ2l0eTEeMBwGA1UEChMVVGhlIFVTRVJUUlVTVCBOZXR3b3Jr MSEwHwYDVQQLExhodHRwOi8vd3d3LnVzZXJ0cnVzdC5jb20xNjA0BgNVBAMTLVVUTi1VU0VS Rmlyc3QtQ2xpZW50IEF1dGhlbnRpY2F0aW9uIGFuZCBFbWFpbAIQIItj0veEaiqrF3/W6vii tTAJBgUrDgMCGgUAoIICYTAYBgkqhkiG9w0BCQMxCwYJKoZIhvcNAQcBMBwGCSqGSIb3DQEJ BTEPFw0wNzAyMTMwNjAzNDZaMCMGCSqGSIb3DQEJBDEWBBTWpbwZ6k4Y4Fk3XwOwY4GvRJ5K gzBSBgkqhkiG9w0BCQ8xRTBDMAoGCCqGSIb3DQMHMA4GCCqGSIb3DQMCAgIAgDANBggqhkiG 9w0DAgIBQDAHBgUrDgMCBzANBggqhkiG9w0DAgIBKDCB1AYJKwYBBAGCNxAEMYHGMIHDMIGu MQswCQYDVQQGEwJVUzELMAkGA1UECBMCVVQxFzAVBgNVBAcTDlNhbHQgTGFrZSBDaXR5MR4w HAYDVQQKExVUaGUgVVNFUlRSVVNUIE5ldHdvcmsxITAfBgNVBAsTGGh0dHA6Ly93d3cudXNl cnRydXN0LmNvbTE2MDQGA1UEAxMtVVROLVVTRVJGaXJzdC1DbGllbnQgQXV0aGVudGljYXRp b24gYW5kIEVtYWlsAhAgi2PS94RqKqsXf9bq+KK1MIHWBgsqhkiG9w0BCRACCzGBxqCBwzCB rjELMAkGA1UEBhMCVVMxCzAJBgNVBAgTAlVUMRcwFQYDVQQHEw5TYWx0IExha2UgQ2l0eTEe MBwGA1UEChMVVGhlIFVTRVJUUlVTVCBOZXR3b3JrMSEwHwYDVQQLExhodHRwOi8vd3d3LnVz ZXJ0cnVzdC5jb20xNjA0BgNVBAMTLVVUTi1VU0VSRmlyc3QtQ2xpZW50IEF1dGhlbnRpY2F0 aW9uIGFuZCBFbWFpbAIQIItj0veEaiqrF3/W6viitTANBgkqhkiG9w0BAQEFAASBgHsLeyiH iHfxJSFkIovKMEDIW5QEfM6977FAT7w2bMelHLW5M7SZQQpEbWRJbQSgr48hINMFgPqQJ235 eri65ZN7qy5sF835KBiqT19q1boXv1apRwxodcNnHTR2rSJpRrA/RI524znygaWpD7xM8qA+ JKg5REOeGzf86nB8H/O8AAAAAAAA --------------ms020508000201000800020508--